package cn.school.dao;

import java.util.List;

import cn.school.eneity.ExamResult;

public interface ExamDao {
	public ExamResult get(long l);

	// 查询
	public List<ExamResult> selectall();

	// 增加
	public int add(ExamResult r);

	// 更新
	public int update(ExamResult r);

	// 删除
	public int delete(long id);
}